Device for measuring granular material.



0. D. HAVARD.

- DEVICE FOR MEASURING GRANULAR MATERIAL.

APPLICATION FILED NOV. 29, 1910 w 1 m w m M v P flw m w W m m X E Z a m w RM 2 m. lflwv a flu m 0 W m M 6 6 3 4 7 fl/ 1 wj/ LittOiil.

sone'u'ron, PENNSYLVANIA.

DEVICE FOR IifEZlASUEING GRANULARIYEATERIA L.

.ttpplimition filed Nmomuier I19, wife.

,- it ltnou'n that .i t. llirsim o of' 'the Unitml; l.-.'re.-:idin; pt on, in the rounty ot tuieloiu 1i"zinu 2H! t 1 i'enusi i vuuiu. h ive invented eer- I ""jiuuil use 1 iniproveuient in De .filel-isiu'uig ('irzrnulur iriuti i 'ti'illoivingis :i s weilieiition.

In '13; Patent No. 91 23 ".l have shown u. meter suited for IttGuBlIilIlg broken or tififilltttllut] iuuteriul' sueb in; Cool, While the interm! pussing through it conduit. t t/here the sup-ply ofnmterhil is ius'uliieient all, li'l to lree p the conduit eonstuntly tilled around such as beams 7.

the meter rents, the, meter will not register iieeurutel y use small quantity oi. materiel fed into the conduit miglitieunse the meter times to Wh'irl more rapidly tlmfnit' the runterini flowed lIL-Zt steady'streum sutlieient to keep i he conduit filled;

Iu-iny present ili /iention themeter is urlunged-in neon-duh, as in the potent, re i erredto, and men-us are provided for :iutonnitic'elly maintaining thtit portion of the. eondint-'ivlneh surrounds the meter runes run of materiel .so tlintflthe vanes \villul- Wuy'e be embedded therein." This insures ueouruey in the 'opertition'of the mete'r under conditions of an irregular supply of muterial." I

.l nrthe ziecompenyingdeWing, Figure l. is ufverticul eentrztlseeti'on through a [northqiiiu..i'uembodying my improvements; end, the; 1232i detail of :1 portion of the meter.

Referring to' the drawing, 1 indieetes a izonduit which eonneoted'to the lowerfe'nd ot'n hopper irndforms'un outlet for the hopper; Within the Conduit 1 is tit-ranged it n eter M, simiihr to the meter shown in in potent above referred to and comprising the vanes in, m mounted upon at spindleim \viueuis (itjtltlm'lfitl through slmt'ts and gearing', usv shownun the drawing, to a register it, all, of "which parts are supported by on ernf in which s secured to the conduit 1. Theeogulmtrl and hopper 2 are supported upon'spring's 3, which restup'on {I frame A und'suri o'und guide rods 5 projecting upwardly froursnid Frame through suitable openings (i -in brackets 6 nttziehed to and projecting""lateral1y from the hopper 2. Thefrginie-A- is supported by suitable means. .th pair of rods ft depend the frame-:1 and-u pipeseeti'on-t) is adjustably'seeumd to said rods 5 byer'ms 10 Specification of Letters tu mumoetymioiz.

7 tlhe'height. of this eolumn muybe varied by lowering the pipe-section .l-und thus increasing the sprrn pressure against the pipemuintuined at ii height which extends above lioppe1', 'so that the vanes-wilt be entirely embedded in the material. When u suttieient qhuntity ol materiel is dumped into the hopper, the valve opens'und allows the 7 material to pass out, -'troin'tlie bottom of the und rotute the meter" vanes, which oper tion will continue as long ns new material is added and the weightupon the valve is sutlieient toh'old it open; If thesu'pply oi 'nuiteriul fed to the hopper stops. the hopper is lifted by'the springs and eloses the valve. when thequantilyoi materiel in the hopper sury to keep the meter vanes embedded in i the materiu Tt will be seen that with the automatic controlling feature, materiel such tlSCfltll, may be dumped into the hopper from conveyers or cars at irregular times and in irregular quantities and since "the column of material .is always maintained around the meter vanes themeter will always move at a. rate substuntiullyin proportion to the rate of. movement oftheeolumn in the con duit."

1 I-n the' drawing, the meter Mis secured to'the conduit and moves with it. -The spin\- dle andv'anes. in the dl'tlWiIlg, ])1'Oj6(;h1t b0V their-supporting arm; but,-if desired,- the lionot the hopper uml conduit the valve L2 the wright ot- :1 column oi muteriul extend-' :nur from the valve up to the metervnnes.

section. and preferably the r-olumn willbel' the nieter'erid into the lower part of the eolmnn, thus allowing theeolumn to descend is re lneedtothe predetermined point necesmetersspinctle and-vanes might be inverted.

so as to be suspended from the supporting I arm, instead of projectingahove it, with the same result.

What I clalm is:-' 1. In a mechanism for measuring granular material, the combination with an upright conduit forthematerlal and a meter having vanes Within the conduit, of means, associated With the conduit, for maintaining a column of said material constantly inengagement with the meter vanes, said means comprising an element controlled by the weight of the granular material.

2. In a mechanism for measuring granula r material, the combination with an upright conduit for the material and a motor having vanes Within the conduit, of a Valve.

,first named means for" maintaining a colum of said material constantly iii-engagement truth the meter vanes, said means comconduit,

material, the combination With yieldl7 supported upright material conduc-t-' prising an element.controlled by the weight of the granular material in the conducting means.

4:. Ina mechanism for measuring granular material, the combination with a hopper, a conduit suspended therefrom and a meter, provided with vanes, arranged Within the of means for yieldingly supporting the hopper and conduit, a stationary pipesection at the lower'end of the conduit and forming an extension thereof, and a Valve connected to the hopper and conduit and adapted to seat against the lower end of said pipe section. f

5. In a mechanism for measuring granular material, the combination with a hopper,

a conduit suspended therefrom and a meter,v arranged within and secured to the conduit, of springs for supprovided with vanes,

porting the hopper and conduit, a stationary pipe-section adjustably supported at the lower end of theconduit and forming an extension. thereof, and a valve connected to the hopper and conduit and adapted to seat the lower end of said pipe-section.

imony whereof I aifix my signature, in presence of two witnesses. i.

onrvsa 1).,HAVARD.

"Witnesses 2 A. V. Bowen, G. A Ba'rrnnsune. 

